Forgetful functor
id:
forgetful-functor-294-17120018
title:
Forgetful functor
text:
In mathematics, in the area of category theory, a forgetful functor 'forgets' or drops some or all of the input's structure or properties 'before' mapping to the output. For an algebraic structure of a given signature, this may be expressed by curtailing the signature: the new signature is an edited form of the old one. If the signature is left as an empty list, the functor is simply to take the underlying set of a structure. Because many structures in mathematics consist of a set with an additi
brand slug:
wiki
category slug:
encyclopedia
description:
Concept in category theory
original url:
https://en.wikipedia.org/wiki/Forgetful_functor
date created:
date modified:
2024-03-04T19:04:29Z
main entity:
{"identifier":"Q2646117","url":"https://www.wikidata.org/entity/Q2646117"}
image:
fields total:
13
integrity:
14